Home / 7,517.76-10,374.28-4,160.49

Finding the Fourth Proportional to 7,517.76, 10,374.28 and 4,160.49

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Solution

The fourth proportional to 7,517.76, 10,374.28 and 4,160.49 is: 5,741.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.76 : 10,374.28 = 4,160.49 : x
  2. Step 2: Convert to fraction form
    7,517.76/10,374.28 = 4,160.49/x
  3. Step 3: Cross multiply
    7,517.76x = 10,374.28 × 4,160.49
  4. Step 4: Simplify right side
    7,517.76x = 43,162,088.20
  5. Step 5: Solve for x
    x = 43,162,088.20/7,517.76
  6. Step 6: Final answer
    x = 5,741.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.